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(Transportation-News.com, August 10, 2013 ) San Francisco, CA -- A Honeywell study announced that low-global-warming refrigerant, known as HFO1234yf, has the potential to lower global warming effects by four times what it was previously believed amount. The product enhances the standing as one of the world's most green-friendly refrigerants.
The study was backed by an independent peer review and was published in volume 41 of Reviews of Geophysics. Several leading chemists, as well as European and U.S. environmental scientists were among those who overlooked the study. It is the first study that the GWP looked overall all fluorocarbon-based refrigerants as they were calculated under consistent available atmospheric data to complement findings. The notation of atmospheric pressure helped flush out the overall impact on environment of the refrigerant while in use.
"With the previous GWP rating of 4, it has been well-established that HFO-1234yf offers superior performance to HFC-134a, for which it is a near drop-in replacement. HFO-1234yf also offers significant environmental and economic benefits over CO2-based air-conditioning systems," said Ken Gayer, vice president and general manager of Honeywell Fluorine Products.
"For instance, a study by the Japanese Automobile Manufacturers Association found that HFO-1234yf air-conditioning systems can produce 20-30 percent fewer global warming emissions in hot climates than CO2 systems because HFO-1234yf systems require less fuel. If applied to the European automobile fleet, this fuel efficiency advantage for HFO-1234yf could save 8 million tons of greenhouse gas emissions, which equates to as much as 4.5 billion euros in lower annual fuel costs for Europeans. With a GWP of less than 1, we can anticipate even more environmental and economic benefits to using HFO-1234yf."
The product was the subject of intensive testing, which was conducted at SAE International Cooperative Research Program from 2007 to 2009."HFO-1234yf is safe to use, better for the environment, more economical for OEMs and car owners, and available today," said Gayer. "Combined with SAE International's comprehensive risk assessment, the new study on GWP further validates the decision of automakers around the world to implement HFO-1234yf in their vehicles."
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